642 imperial cups in dry gallons
Result
The conversion result is: 642 imperial cups is equivalent to 41.4112768324841 dry gallons.[1]
Conversion formula
How to convert 642 imperial cups to dry gallons?
We know (by definition) that: 1 brcup ≈ 0.0645035464680438 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 brcup / 642 brcup ≈ 0.0645035464680438 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (642 brcup / 1 brcup) * 0.0645035464680438 drygallon → x drygallon ≈ 41.41127683248411 drygallon
Conclusion:
642 brcup ≈ 41.41127683248411 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.0241480117612692 times 642 imperial cups.
It can also be expressed as: 642 imperial cups is equal to 1 / 0.0241480117612692 dry gallons.
Approximation
An approximate numerical result would be: six hundred and forty-two imperial cups is about forty-one point four zero dry gallons, or alternatively, a dry gallon is about zero point zero two times six hundred and forty-two imperial cups.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.